Harley Benton Parts Push-Push A500

I ordered it without checking believing it was the same as the 250 version that is perfect for my use, but this one is like 1cm taller!!! That is huge, I am even wondering who uses this kind of things... And very weird not to have the same size depending on the load... Or at least offer each size for each load (this is so easy to do just the track in the pot is different, and with this push/push you can even change it yourself very easily and non destructively, I often put 1Meg tracks from very cheap pots inside...)